A.I. Experiments by Google - Explore machine learning by playing w/ pics, music, and more
Geocaching - Geocaching is the premier app for locating geocaches. This app is available for both the Android and iOS platforms, and it makes locating these popular hidden treasures easy and fun.
Swift Playgrounds - Learn serious code on your iPad in a seriously fun way
Ingress - Winner of the Grand Prize at the 2015 Japanese Media Arts Festival Ingress transforms the real world into the landscape for a global game of mystery, intrigue, and competition. Our future is at stake.
Talk to Books by Google - Browse passages from books using experimental AI
Sighter - Sighter is a social, outdoor treasure hunting activity, where you can play hide and seek with...